7 ways the Nasdaq’s changed since the tech crash By: MarketWatch February 27, 2015 at 07:00 AM EST Fewer but bigger companies dominate the tech-heavy index these days, and valuations aren’t as sky-high. Read More >> Related Stocks: Amazon.com Apple Cisco Systems Facebook Google, Inc. Information Technology ETF Vanguard Intel Corp Microsoft Nasdaq OMX Group PowerShares QQQ Standard & Poors 500 TECHNOLOGY Twitter, Inc. US Technology Ishares ETF Yahoo