When equities went tumbling in the spring due to a maelstrom of trade policy announcements, plans for IPOs were shelved faster than canned goods at a superstore. It was uncertain then when those IPO plans would re-materialize, but this week offers an answer: Ticket reseller StubHub, one of the firms that temporarily canned its listing plans in April, said Monday that it will target a valuation of up to $9.2 billion in its IPO. Meanwhile, a slew of other companies are preparing for debuts this week, includ ...