Apple sparks tech sell-off; Alphabet, Microsoft hit 52-week lows
Shares of large technology companies suffered heavy losses on Thursday, dragging down many other U.S. stocks along with them, after analysts at Bank of America lowered Apple's stock rating.Tech stocks have been pushed down all year as investors have rotated out of growth and flocked to more defensive assets to deal with higher interest rates and to get ahead of a possible recession.The tech-heavy Nasdaq Composite rose on Tuesday and Wednesday, but the buying came after the worst two weeks since the onset of the Covid…