Lululemon stock is joining the S&P 500

Lululemon is the S&P 500's newest member as of Wednesday

Lululemon Athletica stock is on the rise as the active wear company prepares to officially join the benchmark S&P 500 index Wednesday. 

S&P Dow Jones Indices announced the inclusion in what is the broadest measure of stocks last week, replacing Activision Blizzard now that the video game maker has been acquired by Microsoft.The deal was recently approved by U.K. regulators, clearing the path for a full U.S. approval. 

Ticker Security Last Change Change %
LULU LULULEMON ATHLETICA INC. 334.95 -3.33 -0.98%
MSFT MICROSOFT CORP. 420.21 -0.78 -0.19%

When companies are added to the S&P, their shares typically rise in the lead-up because of a rise in demand for the stock as mutual funds and other large institutional investors buy up shares to add to their portfolios to match weightings in the benchmark. 

Since the announcement, Lululemon shares jumped more than 10% through Monday, reaching $416.01, the highest level since December 2021. The stock remained elevated closing at $412.94 on Tuesday. 

lululemon shares

Yoga class at the Lululemon Yoga tent at In goop Health Vancouver on Oct. 27, 2018, in Vancouver, Canada. (Ernesto Distefano/Getty Images) (Getty Images)

The move is also a sign business is solid. The stock is up nearly 30%, giving the company a market capitalization of more than $52 billion. 

Lululemon Athletica, Inc.

The athletic apparel maker lifted its third-quarter annual profit for a second time in August, reporting an 11% boost in revenue in the North American market and a 52% surge internationally.

Lululemon logo

Lululemon will replace Activision Blizzard on the S&P 500 starting Wednesday. ((Photo by Gary Hershorn/Getty Images) / Getty Images)

Then in September, Lululemon announced it had entered a five-year partnership with fellow high-end fitness brand Peloton, which made Lululemon the primary apparel provider for the home workout company. 

The two brands plan to capitalize on their respective followings. 

"Together, the brands will engage their global community of members in the United States, Canada, the United Kingdom, Germany and Australia through technical athletic apparel, real life experiences, special programming, and original content, expanding the brand awareness and reach for both companies. In addition, a select number of Peloton Instructors will become lululemon Ambassadors as part of the partnership" the company stated in the announcement. 

LOCKHEED BEATS ESTIMATES ON SUSTAINED WEAPONS DEMAND AMID GEOPOLITICAL TENSIONS 

Peloton member working out

Lululemon is now the primary apparel provider for Peloton. ((Photo by Ezra Shaw/Getty Images) / Getty Images)

BANK OF AMERICA PROFIT BEATS ESTIMATES ON HIGHER INTEREST INCOME, INVESTMENT BANKING GAINS

Ticker Security Last Change Change %
PTON PELOTON INTERACTIVE INC. 3.92 +0.03 +0.77%

Peloton Interactive, Inc.

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Reuters contributed to this report.