A dramatic reversal in the Nasdaq-100 on Thursday carried PowerShares QQQ (NasdaqGM: QQQ) to a gain but top holding Oracle (NasdaqGS: ORCL) fell 5% after hours following its earnings report.

The Nasdaq exchange traded fund closed with a nearly 1% advance for the session thanks to a late-day bounce and strength in Apple (NasdaqGS: AAPL). [Nasdaq Hangs Tough]

The S&P 500 finished in the red Thursday but managed to hold at a key technical level. Talk of a new bailout for Greece helped fuel an afternoon ramp in stocks. [Stock ETFs Back for Test of 200-Day Average]

The dollar strengthened on Thursday, one day after the Federal Reserve cut its economic forecast. [Dollar ETF Could be ‘Tell’]