The markets retreated from earlier highs to close modestly higher with the Dow rising 14 points to 20,662 as President Donald Trump meets with Chinese President Xi Jinping. Nasdaq gained 14 points to 5,878.
On the upside
Bargain hunters lifted shares of HTG Molecular Diagnostics (Nasdaq: HTGM).
William Blair initiated coverage of Akari Therapeutics (Nasdaq: AKTX) with a Outperform rating.
Rodman & Renshaw upgraded Superconductor Technologies (Nasdaq: SCON) from a Neutral rating to a Buy rating and a $3.00 price target.
On the downside
Profit taking weighed down shares of Plug Power (Nasdaq: PLUG).
Synacor (Nasdaq: SYNC) priced its public offering of 5.715 million common shares at the discounted price of $3.50 per share.
Infinity Pharmaceuticals (Nasdaq: INFI) fell for the sixth day.
In the broad market, advancing issues outpaced decliners by a margin of nearly 7 to 2 on the NYSE and by 7 to 3 on Nasdaq. The broader S&P 500 index rose 4 points to 2,357. Bitcoin leaped $50 to $1175.