. ♪ >>> this is "nightly business report" with tyler mathisen and susie gehrig. >>> market milestone.he s&p 500 at 2000 for the first time ever. a key level for investor psychology. which sectors got up here and which will drive the next leg. >>> whopper of a deal. all-american burger king is in talks to merge with canada's tim horton's. and if approved, send its corporate headquarters north of the border. >>> and new heights. an original superman comic book sold for a record price on ebay. but the real winner might be ebay itself. all that and more tonight on "nightly business report" for monday, august 25th. >>> good evening, everyone. i'm susie gharib. tyler is off tonight. >>> topping our news, uncharted territory. that's where the s&p 500 index went today, crossing 2000 for the first time ever in intraday trading and marking the latest milestone in the stock market's historic bull run. corporate takeovers, which we'll have more on in just a moment. and hints of more stimulus from the european central bank help stocks hit that psychologically important number. adding to the enthus