Alberto Bailleres obviously hopes that 1 and 1 will make not 2, but 3, 4 or even 5! The Mexican billionaire owns the giant diversified mining and chemical group, Penoles. Penoles has floated part of its business on London’s stock market.

Greetings. There’s plenty to talk about this week as usual — and plenty of topics to catch up on. We’ll start off by checking in with your friend and mine, incognito hedge fund manager Cash McDash.

Dude, I’m starting to get the hang of this IPO thing. I checked the “calendar” and saw that we’ve got four deals this week — two IPOs and two secondaries. So does that mean its shaping up to be a decent week for you?

Shares of Yahoo! Inc. (YHOO) tumbled 15% yesterday (Monday) to close at $24.37 a share as investors responded to Saturday’s news that Microsoft Corp. (MSFT) would drop its $47.5 billion dollar bid for the beleaguered search engine firm.

But the tough times are just beginning for Yahoo, which must now prove why it is worth more than the lofty price Microsoft was offering.