Merge Healthcare Incorporated (MRGE – Analyst Report) was a big mover last session with its shares rising roughly 7% on the day. The move came on solid volume too with far more shares changing hands than in a normal session. This breaks the recent trend of the company as the stock is now trading above the past one month's volatile price range of $2.86 to $3.28.

This developer of software solutions that facilitate the management of electronic images for physicians and patients has witnessed one positive estimate revision in the last 60 days. The Zacks Consensus Estimate has also moved higher over the same period. This implies solid trading potential for the company. So make sure to keep an eye on this stock going forward to see if yesterday's rally can turn into more strength down the road.

Merge Healthcare currently has a Zacks Rank #2 (Buy) while its Earnings ESP is 0.00%.

Some other well-placed stocks worth considering in the broader medical sector are OmniComm Systems Inc. (OMCM), Affymetrix Inc. (AFFX –Analyst Report) and ANI Pharmaceuticals, Inc. (ANIP – Snapshot Report). All three stocks sport a Zacks Rank #1 (Strong Buy).