Big Changes for QQQ: Tesla in, Oracle Out

A big change is in store for the PowerShares (NasdaqGM: QQQ). One of the largest U.S.-listed ETFs by assets, and one commonly referred to as the Nasdaq 100 tracking ETF, will welcome electric car maker Tesla (NasdaqGS: TSLA) to its lineup. Enterprise software giant Oracle (NasdaqGM: ORCL) is...