U. S. stocks fluctuated sharply on Monday, and the three major stock indexes rose strongly in late trading after plunging in intraday trading. Investors are waiting for more corporate earnings and the Fed's key policy decisions. At the same time, Russia says Ukraine has amassed a large number of troops to launch attacks, which has undoubtedly made the market more nervous.

As of the close, the Dow was up 99.13 points, or 0.29%, at 34364.50; the Nasdaq closed up 86.21 points, or 0.63%, at 13855.13; and the S & P 500 index closed up 12.19, or 0.28%, at 4410.13.

At one point, the Dow plunged 1115 points, the S & P 500 fell more than 4 per cent into the pullback zone, and the Nasdaq fell nearly 5 per cent at one point.

This week, large technology companies such as Apple Inc, Microsoft Corp and Tesla, Inc. will also release their latest results one after another. after Netflix was hit by the results last week, the market is watching closely to see whether the results of the three technology giants can reverse the decline.

Tesla, Inc., the champion of US stocks, closed down 1.47% on Monday with a turnover of US $44.94 billion.Tesla, Inc. will release his fourth-quarter results after trading on Wednesday. Despite the impact of the chip shortage, Tesla, Inc. 's electric vehicle delivery volume in the third quarter is still dazzling, and investors will continue to focus on the delivery data and guidelines of the fourth quarter results, financial performance and Cybertruck mass production delivery time. In addition, it is reported that Panasonic will begin mass production of new lithium-ion batteries for Tesla, Inc. as early as 2023, which can increase the range of electric vehicles by about 20%. It is reported that the new battery will make Tesla, Inc. electric vehicle one of the cars with the longest mileage per kilowatt hour in the world, on a par with the products of Chinese and South Korean battery manufacturers.

Apple Inc, second in turnover, closed down 0.49%, with a turnover of US $25.772 billion.The company will report results for the first quarter of fiscal 2022 after trading on Thursday. Analysts expect revenue of $117.8 billion and earnings per share of $1.85, up from previous expectations of $116.4 billion and $1.83. Analysts said the market would focus on the positive content that could be shown in the results, including improving supply chains, continued strong end-user demand, product portfolios, and growth in services and subscriptions.

In third place, Microsoft Corp closed up 0.11%, with a turnover of US $24.808 billion.The company will report results for the second quarter of fiscal 2022 after trading on Tuesday, with revenue widely expected to grow nearly 17 per cent to $50.3 billion and revenue per share to rise about 12 per cent to $2.32.

In fourth place, Amazon.Com Inc closed up 1.33%, with a turnover of US $21.875 billion.The company has once again extended its reach to the brick-and-mortar industry, announcing that it will open its first fashion store and adding technology elements, including algorithm recommendations and "magic wardrobes", to the store, but has not yet announced a specific opening time. It is reported that the new store, called Amazon Style, will be opened in the The Americana at Brand mall in the greater Los Angeles area, adjacent to Nordstrom department stores, Urban Outfitters, J. Crew, Hallom and other stores.

In seventh place, Netflix Inc closed down 2.6%, with a turnover of US $11.966 billion.Jeffery, an investment bank, downgraded the company's stock from buy to hold and said the company might need to shift its focus to video games. After Netflix reported disappointing user guidance for the first quarter last week, several investment banks downgraded the company and downgraded its target price, and the stock tumbled to 20 per cent on Friday.

Alphabet Inc-CL A closed up 0.35%, with a turnover of US $9.769 billion.Washington, D.C. Attorney General Carl Racine (Karl Racine) reportedly sued Alphabet Inc-CL C on Monday, saying his "deceptive location tracking behavior" violated user privacy. The attorneys general of three other states also plan to sue Alphabet Inc-CL C as part of a bipartisan plan to pursue Alphabet Inc-CL C's privacy responsibility, Racine's office said in a statement.

Shopify Inc closed up 6.39%, with a turnover of US $6.705 billion.Wedbush analyst Ygal around ian lowered Shopify Inc's target price to $1296 from $1500 and maintained his "outperform" rating. Shopify Inc reportedly terminated its contracts with several e-commerce warehouse distribution companies, a move that could reduce its ability to pack and deliver orders for merchants in the short term, the analyst said.

The following are the 20 most actively traded stocks of the day (by turnover):