Mueller Water Products, Inc. (NYSE:MWA), Athersys, Inc. (NASDAQ:ATHX) and Albany Molecular Research, Inc. (NASDAQ:AMRI) are the market’s top gainers midday this Tuesday. Enzymotec Ltd (NASDAQ:ENZY), RetailMeNot Inc (NASDAQ:SALE) and Radio One, Inc. (NASDAQ:ROIAK) are the biggest midday losers.

Mueller Water Products

Mueller Water Products Climbs

Mueller Water Products, Inc. (NYSE:MWA) climbed +14.47% midday today. The company reported fiscal third quarter results yesterday, including $318.5 million in net sales and $18.5 million in net income. And today, Brean Capital raised its ratings of Mueller from a hold to a buy. Despite today’s jump, the David Tepper pick is down -7.4% YTD.

Athersys, Inc. (NASDAQ:ATHX) hit midday up +9.55%. With its second quarter financial results announcement under a week away, the biopharmaceutical company hasn’t had the strongest of years on the stock market, its price down -33.38% year-to-date. Billionaire investor George Soros initiated a position in Athersys in Q1.

Last on today’s list of midday gainers is Albany Molecular Research, Inc. (NASDAQ:AMRI), up +8.83% following a better-than-expected earnings report. Another first quarter Soros buy, Amri has climbed an impressive +101.98% in 2014 and is now trading near its 52-week high.

Enzymotec Hits 52-Week Low Following Earnings Report

Enzymotec Ltd (NASDAQ:ENZY) plunged -36.98%, reaching a new 52-week low following a disappointing earnings report. The company’s price has declined -65.94% YTD. Billionaire investor John Paulson initiated a position in Enzymotec in Q4 2013 and upped his allocation in Q1 2014 – a potential indicator he thinks the company could turn around.

RetailMeNot Inc (NASDAQ:SALE) slipped -26.36% after missing the mark on results and cutting its view for the year ahead. The company’s stock price has declined -40% over the past year, including -30.51% in the past month. George Soros held over one million SALE shares as of Q1.

The sale price of Radio One, Inc. (NASDAQ:ROIAK) fell -17.92% midday today following the release of its second quarter results. The first quarter Soros buy is down -13.98% in 2014.