some compared this company to the lehman brothers of the mining world and question given the debt load of this company and it's trading operation whether it unfortunately could represent not just it's own problems but other problems in that industry. so we should keep an eye on glencore and it's competitors today. vale is cutting it's dividend. trying to sure up it's balance sheet and yahoo! will be moving forward with the planned spin off of its stake in alibaba. this is coming even though the irs has declined to say whether the transaction would be tax free so it puts marissa mayer on the hook because this deal now has to go through because she put it out there and if for example we find out later that the irs would want to call the money back it's going to create all sorts of problems. >> let's talk about other corporate news as well this morning. microsoft is changing the way it reports financial results. it will be breaking out revenue and operating income based on