The IPO market is back after its March freeze. Here's what experts say revived it and where it's going from here.

· *Initial public offerings froze in March as the stock market tanked. But just as equities quickly turned higher, so has IPO activity.*
· *A smattering of IPOs from small, profitable firms "helped build confidence" and revive demand for new offerings, David Ethridge, US IPO services leader at PwC, told Business Insider.*
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