The markets turned negative during the midday with the Dow slipping 7 points to 16,472. Nasdaq fell 10 points to 4156.

On the upside

Shares of InterCloud Systems (Nasdaq: ICLD) continued rising.

Speculation swirled that Sprint (NYSE: S) would merge with T-Mobile (NYSE: TMUS).

Zacks Equity Research recommended Cliffs Natural Resources (NYSE: CLF) as a good stock pick.

On the downside

Profit taking weighed down shares of Infosonics (Nasdaq: IFON).

Citron Research accused Textura (NYSE: TXTR) of fraud.

Plug Power (Nasdaq: PLUG) extended its losses.

In the broad market, declining issues outpaced advancers by a margin of 4 to 3 on both the NYSE and on Nasdaq. The broader S&P 500 eased a point to 1840.