Biggest Winners (ELON) (DEO) (VRTX) (TTI) (CRM) on May 6

Among the winners on Friday, May 6, as measured by share price increases, were Echelon Corp. (ELON), Diageo Plc (DEO), Vertex Pharmaceutica (VRTX), Tetra Technologies (TTI) and Salesforce.Com Inc (CRM).

Echelon Corp. (ELON) was up $1.36, to close at $10.16, a gain of 15.45 percent.

Diageo Plc (DEO) jumped $1.36 on the day to close at $82.14, an increase of 1.68 percent.

Vertex Pharmaceutica (VRTX) rose $1.35 to close at $54.54, a boost of 2.54 percent.

Tetra Technologies (TTI) soared $1.35 to close the session at $13.98, a gain of 10.69 percent.

Salesforce.Com Inc (CRM) surged $1.35 to end the day at $132.32, climbing 1.03 percent.