During this stock-market downturn, tech investors are feeling the brunt of the pain. So far tech-stock wreck destroys $529B this year. Crashing stocks is a brutal reminder why betting on speculative stocks in the technology sector is a loser’s game. LinkedIn (LNKD), after telling investors that profit would grow this year, lost $15.3 billion in market value. But the biggest destroyed of wealth this year is gadget maker Apple (AAPL), burning through $62.3 billion this year. (usatoday.com)