Tesla Motors Inc (TSLA), Aetna Inc. (AET): Whoa! These Two Stocks Had Healthy Returns Yesterday

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After a big run-up in the Dow Jones Industrial Average over the past three months, the index took a small breather yesterday and inched down five points as Hewlett-Packard Company (NYSE:HPQ), the stock with the biggest gains so far this year, gave up more than 2%. That was offset, though, in large part by UnitedHealth Group Inc. (NYSE:UNH), which tacked on a 3% gain and kept the Dow from falling further.

Managed-care providers were all given a rousing boost after Humana Inc (NYSE:HUM) reported that based on its assessment of the Centers for Medicare and Medicaid Services ratings situation, there will be a 3.4% increase in premiums instead of the 2.2% decrease previously expected. Humana Inc (NYSE:HUM)’s stock soared 8.6%, while other providers, such as Aetna Inc. (NYSE:AET), jumped more than 2%.

Aetna (AET)

Yet some stocks did even better than the managed-care companies, surging by double-digit percentages, though you should still resist the urge to high-five everyone in the cubicles next to you. Smart investors won’t celebrate until they know why their stock surged, because without a fundamental basis for the bounce, these stocks could just as quickly make the return trip down.

Choking on the tailpipe
Precious metals had a mixed day, with silver falling, gold remaining essentially unchanged, and platinum and palladium closing higher. The EPA announced on Friday its new emission-control proposals, recommending its Tier 3 standards to reduce tailpipe and sulfur emissions.

Because the primary usage of platinum and palladium is in an auto’s catalytic converter system, it’s not surprising that platinum metals group prices went higher, but it might cause some head-scratching among investors viewing the stock-price reactions of the two principal miners of the metals — North American Palladium Ltd (USA) (NYSEMKT:PAL), which soared almost 21% on the day, and industry peer Stillwater Mining Company (NYSE:SWC), which fell almost 2%.

Considering that the latter counts Ford Motor Company (NYSE:F) among its biggest customers and the auto industry is said to be in favor of the EPA’s proposed rules (while the petroleum industry stands opposed to them), you would expect Stillwater Mining Company (NYSE:SWC) to enjoy the bigger bump. However, I think it has to do more with NAP being the industry pure-play here.

As I’ve recounted several times and most recently just two weeks ago, because Stillwater is diluting its exposure to PGMs with its gold mine acquisition — much to the consternation of certain shareholders, by the way — it is North American Palladium Ltd (USA) (NYSEMKT:PAL) that benefits most from the metals’ appreciation. Now NAP has experienced some delays at its Lac des Iles mine, and costs are going to rise in the near term, but with the mine expected to be fully operational later this year, it will be able to capture the benefits of higher prices — and, presumably, the stricter emissions controls.

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