Equity issuance is exploding, ending the era of stock scarcity as IPO fever hits. So far 160 cos have announced IPO (incl some big dogs) with plans to raise over $120b, exceeding the combined total from prev two years, which should add $1.5T of stock to the US eq mkt. Good 'Big Take' today from @luwangnyc @csreinicke(Eric Balchunas)