michael zezas and seth masters. this is what we like best on surveillance. with members of the baltic state. that is a really actually interesting foreign-policy discussion. somehow i think there will be other topics at hand. look for that in the 1:00 hour worldwide. this is bloomberg. ♪ >> this is bloomberg surveillance. i'm taylor riggs. energy is harbor taking aim at australia's third-largest energy producer. harbor has made a 10.3 billion dollar offer for santos. the ceo says she would expand the company's operations in asia and africa. shares rose as much as 22%. walmart is in talks for a deal that could change its pharmacy business. retailer islargest considering a takeover of startup pill pack. general motors says that when it comes to sales figures less frequent information is more. on datas have relied for years. instead the company will issue reports every quarter. gm says 30 days is not enough time to separate real sales trends from short-term fluctuation. that's your bloomberg business flash. let's get another angle. spotify shares go live at the