* Matt Wirz: The junk bond boom
* Roger Cheng: RIM finally seems to get it
* Bob Ackerman: The iPhone before Apple’s iPhone
* Speculative: Big banks brace for possible credit downgrades
* Morning Call: U.S. futures point higher, European shares rebound and the Nikkei falls.
* Hot or not? Pisani on the IPO market
* Study: Financial savings from tablet-based classrooms
* David Lynch: Harvard was the secret to Romney’s success
* Brain drain beginnings? Zynga’s chief engineer resigns
* Catherine Rampell: Meet the man behind the individual mandate
* Jason Zweig: Why ‘sophisticated investors’ are like ‘jumbo shrimp’
* Apple: We’ll help improve worker conditions and wages at Foxconn