DJ30 +89.54 NASDAQ +25.24 SP500 +10.12 NASDAQ Adv/Vol/Dec 1964/1.48 bln/549 NYSE Adv/Vol/Dec 2429/779.4 mln/643 4:01PM Micron launches $870 mln offering of convertible senior notes (MU) 7.17 +0.02 : Co announced that it intends to offer, subject to market and other considerations, $435.0 mln aggregate principal amount of convertible senior notes due 2032 and $435.0 mln aggregate principal amount o