Silicon Valley has been suffering a tech IPO drought, but the dam may have broken after data software company Talend, Inc. jumped 42 percent on its first day of trading. Talend raised $94.5 million in its July 29 initial public offering (IPO) by pricing its shares at $18. The stock jumped to $25.50 by the end of the first day of trading. Buoyed by strong July performances of Talend and LINE Corp., Twilio in June, and Acacia Communications in May, new IPOs are expected to flood the markets with at least another 10 Silicon Valley companies are expected to complete IPOs in the second half of this year. The Silicon Valley IPO “pixie dust” money machine roared from 2011 through 2015. Increasingly lucrative profits from IPOs caused late-stage private financings to surge from $8.9 billion in 2013 to $16 billion in 2015, according to the National Venture Capital Association. Tech venture capitalists showed their new financial prowess by writing checks for over $1 billion to Uber, Airbnb, SpaceX and SoFi. By late 2015, there were 163 venture-backed private companies that reached the $1 billion valuation, where so-called tech “unicorns” traditionally looked to go public. An exuberant Adley Bowden, vice president at