Zanett Inc. (Nasdaq: ZANE) shares zoomed 28.8 percent to $1.52. Volume for the stock was 1.6 million, overwhelming a daily average of nearly 54,000, after after announcing Parkview Health will implement its Zanett Clinical Online Delivery System.

Pfizer Inc. (NYSE: PFE) traded in 69.8 million shares, outdistancing its daily average of 46.5 million. Prices for PFE sagged 0.2 percent to $18.98, over word that laid-off PFE employees will get less severance than anticipated.

Hawaiian Holdings Inc. (Nasdaq: HA) shares were off 8.4 percent to $6.99. Volume for the stock was 3.2 million, dwarfing a daily average of 403,000 after Stifel Nicolaus downgraded the parent company of Hawaiian Airlines from buy to hold.