RJ and Makay

LinkedIn Corp.’s (LNKD) sharp rise on its first day of trading today shows that U.S. investors may be hungry for similar stories coming out of the social media industry.

Shares of the professional-networking site opened at $83 dollars on the New York Stock Exchange, an 84% increase from its initial public offering price of $45.  By mid-day it was trading at $112 a share, up 150%, valuing the company at $10 billion.  The stock reached a high of $122.70 before declining in afternoon trading, closing at $94.25.  For the day, shares were up $49.25, or 109.4%.

The philanthropic organization 100 Women in Hedge Funds (100WHF) begins its year-long 10th anniversary celebration with events at stock exchanges around the world. Today, 100WHF members are gathering in New York, London, Zurich, Chicago, and Toronto to commemorate 10 years of making a difference in the alternative investments community through educational programming, professional leverage initiatives, and philanthropic endeavors.

“I am extremely proud of our accomplishments over the last 10 years, most notably the growth of our membership, the hundreds of educational events we’ve hosted, and the more than $20 million we’ve raised for charitable organizations across the globe,” says Anne Popkin, Chair of the Board of 100WHF. “I am thrilled that our members all over the world are connected today in honor of such a momentous occasion.”