Netflix stock has shed more than $21 billion after slowdown sparks fears of streaming bubble
[ad_1] Netflix Inc. stunned Wall Street by attracting fewer subscribers than expected last quarter, renewing concerns that the video-streaming service has become an investment bubble. The shares plunged as much as 15 percent after Netflix said it added 5.2 million users in the period, about a million fewer than it predicted. The stock pared losses…