Welcome back to another Foolish review of the hottest stocks as ranked by the participants in 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.

Last week and the week prior, the Linux leaders were all the rage. Well, they're the Fools on the hill again -- three in a row! -- up 17.3% over the past 30 days. Who are the others? Have a look at the hot tags in CAPS:

  • Regional Airlines, which moves up a spot from third. Stocks of these low-fliers have soared 13.3% over the past 30 days.

  • Other Vehicles, which is a new entrant to the list and consists of all auto and truck makers not a part of the so-called "Big Three" or their Japanese counterparts. Stocks in this sector are up 12.2% over the past 30 days.

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

Company

CAPS Stars
(5 maximum)

No. of
CAPS Ratings

Bullish
CAPS Ratings

Bull Ratio

LAN Airlines

*****

32

32

100.0%

Republic Airways

*****

36

36

100.0%

Spartan Motors (NASDAQ:SPAR)

*****

72

71

98.6%

ExpressJet Hldgs

*****

69

67

97.1%

Skywest (NASDAQ:SKYW)

****

36

35

97.2%

Oshkosh Truck (NYSE:OSK)

****

181

171

94.5%

AirTran Holdings (NYSE:AAI)

****

94

88

93.6%

GOL Linhas (NYSE:GOL)

****

121

113

93.4%

Source: Motley Fool CAPS.

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

Company

CAPS Stars

No. of
CAPS Ratings

Bearish
CAPS Ratings

Bear Ratio

MAIR Holdings

*

12

11

91.6%

Frontier Airlines

*

37

17

45.9%

Novell

*

111

46

41.4%

Navistar (NYSE:NAV)

*

41

14

34.1%

Wabash National (NYSE:WNC)

*

12

3

25.0%

Source: Motley Fool CAPS.

Do you agree? Disagree? Let us know what you think by signing up for CAPS today. It's 100% free to participate.

Cap off your day with related CAPS Foolishness:

Fool contributor Tim Beyers, ranked 1,095 out of more than 20,000 players in CAPS, didn't own shares in any of the companies mentioned in this story at the time of publication. Get the skinny on all the stocks he owns by checking Tim's Fool profile. The Motley Fool's disclosure policy is hotter than city asphalt in the summer heat.