Earnings reports and a dovish stance from theFederal Reservelifted stocks last week. Major indices reacted positively, particularly to earnings from high-profile companies that hold significant weight in the indexes.

Tech Giants Lead Charge: Apple, Inc.(NASDAQ:AAPL) andAmazon, Inc.(NASDAQ:AMZN) were top performers. Apple impressed investors with a record $110 billion stock buyback plan and better-than-expected guidance for the June quarter.

According to FactSet, a financial data analytics firm, 80% of S&P 500 companies have reported earnings so far. These reports have shown a higher-than-average percentage of companies exceeding earnings expectations and by...