The markets closed modestly higher with the Dow rising 24 points to 18,144 as investors continued to monitor Greek negotiations. Nasdaq added 6 points to 5,160.

On the upside

Shares of Novavax (Nasdaq: NVAX) extended its gains as investors anticipate the release of data from four ongoing clinical trials in the third quarter.

Standard & Poor’s upgraded Halcon Resources’ (NYSE: HK) corporate credit rating from SD (selective default) to B-.

Bill Barrett (NYSE: BBG) chief executive Scot Woodall presented at the Global Hunter Securities 100 Energy Conference today.
 
On the downside

NN (Nasdaq: NNBR) announced a pubic offering of 6 million common shares.

NRG Yield (NYSE: NYLD) will offer $250 million in convertible senior notes.

New Senior Investment Group (NYSE: SNR) will offer 17.5 million common shares.
 
In the broad market, advancing issues outpaced decliners by a margin of 7 to 5 on the NYSE and by 9 to 7 on Nasdaq. The broader S&P 500 added a point to 2124. Bitcoin slipped $2 to $245.