Why Tesla + Facebook Are Winning Wall Street

This week, shares in Google, Facebook, and Tesla reached an all-time high on Wall Street, helping push the NASDAQ to its tallest peak since the dot-com crash 14 years ago. These three tech outfits are very different operations, but right now, they have at least one thing in common: each has taken a strong stance on unproven tech. On Wall Street, it seems, risk is in. The question is whether such faith in Silicon Valleyâ??s aggressive optimism will ultimately be rewarded.