BUZZ — PREVIEW: UnitedHealth seen posting year — on — year earnings surge of 42%
* UnitedHealth Group stock dips 0.7% to $376.70 on Mon ahead of Q3 earnings due before the opening bell on Tues * The health insurer is expected to post adj. EPS of $4.14, a yr/yr increase of 41.8%, on revenue of $111.40 bln, compared with year-ago qtr's $113.16 bln rev, according to LSEG data * UNH has met or beaten E