Shares of Medidata Solutions Inc (NASDAQ:MDSO) tumbled Tuesday after the software-as-a-service developer reported Q1 earnings and revenue trailing analyst expectations. Medidata Solutions Inc (NASDAQ:MDSO) stock performance was -22.74% in last session and finished the day at $40.71. Traded volume was 10.52million shares in the last session and the average volume of the stock remained 763.52K shares. The beta of the stock remained 0.65. Medidata Solutions Inc (NASDAQ:MDSO) insider ownership is 4.90%.

Lexmark International Inc (NYSE:LXK) expects its Managed Print Services (MPS) and Perceptive Software revenue to exceed $1 billion this year. In itsQ1 2014 earnings report, Lexmark International Inc (NYSE:LXK) said its combined MPS and Perceptive Software revenue hit $244 million, up 18 percent year over year. Lexmark International Inc (NYSE:LXK) dropped -11.23 percent to $41.52 Tuesday on volume of 6.03million shares. The intra-day range of the stock was $40.83 to $44.25. Lexmark International Inc (NYSE:LXK) has a market capitalization of $2.56billion.

HealthStream Inc (NASDAQ:HSTM) shares were down 7.1% on Tuesday following a weaker than expected earnings announcement, American Banking News reports. HealthStream, Inc. (NASDAQ:HSTM)’s stock on Apr 22, 2014 reported a decrease of -6.01% to the closing price of $22.91. Its fifty two weeks range is $19.50 -$39.77. The total market capitalization recorded $628.19million. The overall volume in the last trading session was 636,008.00million shares. In its share capital, HSTM has 27.42million outstanding shares.

China Information Technology, Inc. – Ordinary Shares (NASDAQ:CNIT), a leading provider of integrated cloud-based solutions including Internet-of-Things (“IoT”), public InfoCloud, WeMedia platform, Smart City and other Internet-related services in China, today announced its financial results for the second-half and fiscal year ended December 31, 2013.On Tuesday, shares of China Information Technology, Inc. – Ordinary Shares (NASDAQ:CNIT) dropped -5.66% to close the day at $5.00. Company return on investment (ROI) is -44.70% and its monthly performance is recorded as -2.91%. China Information Technology, Inc. – Ordinary Shares (NASDAQ:CNIT) quarterly revenue growth is -17.63%.