A strong payrolls report boosted the markets to a sharply higher close with the Dow soaring 94 points to 21,414. Nasdaq surged 63 points to 6,153.

On the upside

Core Laboratories (NYSE: CLB) declared a quarterly cash dividend of 55 cents per common share payable on Monday, August 14, 2017 to shareholders of record Monday, July 17, 2017.

Rambus (Nasdaq: RMBS) may be exploring the option of selling itself.

Analysts issued positive comments on Applied Optoelectronics (Nasdaq: AAOI).

On the downside

Adam Feuerstein raised contamination concerns about the manufacturing process for Ocular Therapeutix (Nasdaq: OCUL).

Cherokee (Nasdaq: CHKE) fell to a loss for the first quarter.

Shares of Cara Therapeutics (Nasdaq: CARA) extended its losses.

In the broad market, advancing issues outpaced decliners by a margin of nearly 7 to 3 on the NYSE and by moe than 5 to 2 on Nasdaq. The broader S&P 500 climbed 15 points to 2,425. Bitcoin dropped $18 to $2474.