Rebounding productivity boosted the markets to a sharply higher close with the Dow jumping 185 points to 16,553. Nasdaq soared 35 points to 4370.

On the upside 

Shares of Green Bancorp (Nasdaq: GNBC) climbed on its first trading day.

Air Methods (Nasdaq: AIRM) reported sharply higher second quarter earnings that surpassed analyst expectations as revenue rose.

Second quarter earnings nearly doubled for HMS Holdings (Nasdaq: HMSY) to top analyst estimates.

On the downside 

Marrone Bio Innovations (Nasdaq: MBII) widened losses for the second quarter as revenue fell prompting a downgrade. 

Second quarter earnings for Ignite Restaurant Group (Nasdaq: IRG) fell far short of analyst expectations. 

Masimo (Nasdaq: MASI) reported lower second quarter earnings that missed analyst expectations.

In the broad market, advancing issues outpaced decliners by a margin of more than 3 to 1 on the NYSE and by nearly 7 to 3 on Nasdaq. The broader S&P 500 surged 22 points to 1931. Bitcoin added $2 to $590.