The Microsoft hunt for market continue. They now trying to compete all major security software provider like Symantec or McAfee.

Microsoft's free download, which the company is calling "Morro," is designed to defend consumers' PCs against malware, such as viruses, spyware and Trojans.

Following Microsoft's announcement, Symantec and McAfee stocks took a nosedive Wednesday over concerns that the software giant would take a significant portion of their market share in the PC security space. Symantec shares fell 9.44 percent to $11.23, while McAfee's dropped 6.62 percent to $26.68. However, Microsoft also fell 6 percent at $18.45. So, lets see what going to happen in next 30 days.