Welcome back to another Foolish review of the hottest stocks as ranked by Motley Fool CAPS. We're looking at the three best-performing industries over the past 30 days and your favorite long and short candidates in each.

Health-care information service providers are the hottest of the hotties for the third consecutive week, up an average of 28% over the past 30 days (through July 6). Yawn.

Our second- and third-place finishers are more interesting. UltraShort ETFs -- exchange-traded funds that aim to deliver compounded returns when the market falls, as it has -- are, as a group, up 23.9% over the past 30 days.

Top performers include the UltraShort Real Estate ProShares (AMEX:SRS) fund, which aims for twice the inverse return of the Dow Jones U.S. Real Estate Index. So, if the index is down 10%, the ETF -- ideally -- will be up 20%.

Molecular, rather than market, gimmickry has produced excellent returns for neuroscience specialists. Pfizer (NYSE:PFE), Elan, and their peers are up an average of 7.6% since early June.

According to you, our Foolish readers, the best stocks in these industries to own now -- i.e., those with four or five of the maximum five stars in CAPS -- are:


CAPS Rating

No. of CAPS Ratings



30-Day Price Change

SXC Health Solutions





Quality Systems





Sources: Motley Fool CAPS, Yahoo! Finance (current as of July 7).

And your favorite short candidates -- i.e., those rated with one or two stars in CAPS -- are:


CAPS Rating

No. of CAPS Ratings



30-Day Price Change

UltraShort Basic Materials






UltraShort Dow 30











UltraShort S&P 500 ProShares






Sources: Motley Fool CAPS, Yahoo! Finance (current as of July 7).

This week -- I can't believe I'm saying this -- my favorite is a short position, the UltraShort Dow 30. To me, CAPS All-Star twinterm1 best explained the thesis in early June:

The overall Dow Jones is in trouble because it is heavily weighted with companies that will do poorly in this economy. On the financial side, you have Citigroup [NYSE: C], Bank of America, AIG, and American Express. Gas prices will [eat] Disney's earnings, and GM's [NYSE: GM] stock just hit a 26-year low. For every 1% the Dow goes down, this ETF goes up 2%.

Even so, there's risk with these so-called leveraged ETFs. Our Champion Funds advisor, Amanda Kish, explained it. "With a leveraged fund, losses have a much bigger effect on a daily basis," she writes. "Even if the index rebounds on Day 3, the leveraged fund may not make up all of its lost ground, because the losses reduced the original base from which the fund can grow."

True. But leverage always has this effect -- whether you're investing in options, using margin, or buying a short-side ETF. The added risk puts more pressure on the investor to be correct. I think twinterm1 is correct. Economic, and therefore earnings, growth is simply lacking at the moment.

But that's my take. I'm more interested in what you think. Would you buy the UltraShort Dow 30 at today's prices? Let us know what you think by signing up for CAPS today. It's 100% free to participate.

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