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Shares of lululemon athletica (NASDAQ:LULU) are stretching like some of the athletic apparel retailer's high-end yoga clothes. Lululemon stock soared 25.3% last week, moving higher after the company posted blowout quarterly results. Several analysts upgraded the stock following the well-received report.

Revenue climbed 13% to $544.4 million, fueled by expansion, a boost in online sales, and positive comps. Comps rose 7%, but like many retailers that bake faster-growing consumer-direct sales into their comps, the actual store-level performance rose by a more modest 4%. 

Margins improved across the board, and by the time we work our way to the end of the income statement we see adjusted earnings clocking in at $0.47 a share. That was well ahead of both the $0.35 it posted a year earlier and the $0.43 analysts were targeting. Lululemon used to routinely blast through Wall Street pro forecasts, but this is the first time since last year's holiday quarter that its profit topped expectations. 

Upward-facing dog

Several analysts checked in with upbeat notes following the encouraging report. Bank of America/Merrill Lynch analyst Rafe Jadrosich upgraded the stock to "neutral," fortified by the favorable comps momentum and expanding gross margin. He's boosting his price target from $50 to $70, though that's nearly where the stock closed out the week.

Evercore ISI analyst Omar Saad also replaced his earlier price target of $50, but he's going all the way to $80. Saad is replacing his "sell" rating with a "buy," a rare double-notch upgrade. With Lululemon flexing its pricing power, he feels the smart play is now to be long the stock. 

Other Wall Street pros who reiterated their ratings still jacked up their price targets. Oppenheimer analyst Anna Andreeva raised her target from $70 to $75. Wedbush's Morry Brown went from $70 to $81. Even the still-bearish Camilo Lyon at Canaccord upped his price goal from $44 to $47.

Down the stretch

Lululemon was trading slightly higher in 2016 before last week's surge, and now the stock is up 32% year to date. The stock took a hit three months earlier, when its guidance failed failed to impress following its fiscal second-quarter report, but that's not the case this time around. 

The premium yoga-apparel specialist now sees revenue of $2.32 billion to $2.34 billion for all of fiscal 2016, with comps rising in the mid-single digits. Its guidance calls for normalized earnings between $2.11 and $2.16 a share. 

The stock isn't cheap. It trades at 32 times the midpoint of its new earnings range. That's steep, but Lululemon shares have always fetched a premium to the market -- even when the retailer isn't at the top of its game. It's showing the early signs of a turnaround, and if it can keep that up through the telltale holiday quarter, it wouldn't be a surprise to see the stock and the valuation multiples head higher in the coming months. 

Rick Munarriz has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Lululemon Athletica. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.