it says sales in august surked 7% from a year ago thanks to strong demand. shares up more than 6% to $48.60. >>> a huge gain in the shares of kadon after sks said it would pay them. the deal value kaydon at 35.5 each. they closed at $35.55, up 23%. >>> shares were a drag on the s&p 500 after bar clays downgraded from over weight saying that stock is basically over valued. shares fell to close at $30.30. >>> now to a healthcare issue that impacts families all around the world. alzheimer's, 30 million people are affected globally and that number is expected to double by the year 2030. it's been more than a decade since a new treatment has come to market with some of the most promising drug trials coming up short last year. a treatment that reverses or slows the disease could mean billions in annual global sales. bertha coombs has more. >> reporter: dick perdy was in his mid 70s dig nosagnosed but 2, they are still gone. the goal is to keep him healthy and living at home and getting him enroll in a new clinical trial. >> we've been part of the medical community

bob surk-- turk is in the first warning weather. >> you see the clouds out to the west/southwest. there are sprinkles and showers. about 150 miles away. some of those clouds move through. but that's about it. take a look at temperatures now. we're down to 69. 67, ocean city. and 66 in oakland. the warmer areas, down around d.c., at 74. and hagerstown, also 74. now, as i just mentioned, a few sprinkles and light rain activity, way down south across portions of west virginia, it's really, really not much at all. it's running into this very dry air we have. so none of this rain or sprinkle activity will reach us. just some of the clouds. and by tomorrow, they move off. we have more high pressure and more sunshine and floods and conditions for tomorrow. and well into the weekend and beyond. denise? >> thank you, bob. well, the ravens are back on the practice field, getting ready for a road win to western new york. wjz is live in owings mills. sports director mark viviano has more on the preparations for the bills and a little bit of controversy involving a former teammate. mark? >> a