More Than Just a Sell-Off in Tech?: DealBook Briefing<br />On a day when the stocks on Wall Street are flat, Macy’s was up 3.5 percent, J. C. Penney has gained<br />5.5 percent, Walmart rose 1.7 percent, Target increased 1.8 percent, and Kohl’s was up 2.4 percent.<br />Nvidia — the chip maker whose autonomous-vehicle technology is used by Volkswagen, Tesla, Audi<br />and hundreds of other firms — said it would halt its own tests on self-driving cars, after an autonomous Uber vehicle struck and killed a pedestrian in Arizona.<br />Nothing like being a motivated seller to put a floor under a stock price, right?”<br />The stock tumbled 12 percent Tuesday after Citron Research’s Andrew Left said he was betting against the social media company<br />because of its vulnerability to regulation around how it handles user data.<br />His real estate buddies tell him — and he agrees — that Amazon is killing shopping malls and brick-and-mortar retailers.”<br />Shares of Amazon have tumbled more than 7 percent at one point Wednesday,<br />but they pared those losses after a White House official told Reuters there were no specific policy changes related to Amazon being considered at the moment.<br />But the continued decline in Tesla’s stock — its shares are down more than 20 percent since<br />mid-March — speaks to the bigger concern surrounding Tesla: How it funds itself.<br />Tesla also tumbled 8.2 percent, after the National Transportation Safety Board said it was<br />conducting its second crash investigation of the year involving one of the company’s cars.
