The earnings reports of last week were a mixed bag, with someTesla, Inc.(NASDAQ:TSLA),Alphabet, Inc.(NASDAQ:GOOGL) (NASDAQ:GOOG) andSTMicroelectronics N.V.(NYSE:STM), among companies disappointing to the downside. As the focus shifts to the unfolding week, more tech companies are lined up to disclose their quarterly results, potentially offering cues regarding the health of the sector.

The Week That Was: Most on Wall Street viewed Tesla's earnings as lacking quality because a significant portion of them came from one-time regulatory credits. On the other hand, Google-parent Alphabet alienated investors by flagging...