while some higher end retailers are aware of the trends t banks, ed ruema don't feel it's the full impact. >> when we talk with foreign tourists, they tend to plan a few months in advance. if you contemplate currencies really weakened in january, we think it could begin to impact that tourist trade most significantly during the key summer months. i just heard the other day many of the comedians used to cross the border from canada to toronto from buffalo, the numbers have been way down because people can't afford anymore to do the shopping and the traveling through the states. so as far as canadians are concerned, we're not happy. >> reporter: but there is a silver lining. the u.s. consumer is widely considered to be in a position of strength right now and associated bank svp and investment sarah walker said american consumers who earn and buy in dollars will be a significant offset to a drop in tourist sfendpending. for "nightly business report," i'm courtney reagan. >>> the fda recently cleared the way for a new class of drugs that could potentially lead to cheaper, life-saving medicine