Say cheese: Mice sit atop the S&P 500 gainers list

It’s a red-letter day for corporate rodents, as Charles River Laboratories and Disney sit atop the S&P 500 shortly before 11 a.m. ET on Wednesday.

Charles River Laboratories — a provider of customized lab rats, mice, gerbils, hamsters, and guinea pigs for scientific and pharmaceutical research, among other services — is seeing its best day in about 13 years after reporting earnings and agreeing to a deal pushed by activist investors to shake up its board and review its businesses.

And Disney , sometimes referred to as “the Mouse” because of you-know-who, is surging on strong results in its parks business and profitability in streaming.

(Look, we have to watch the markets all day, every day. It’s little things like this that make it all worth it.)

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SpaceX gets a wave of bullish ratings from Wall Street analysts

SpaceX received more than a dozen positive analyst calls on Tuesday — including from major Wall Street banks — as they initiate coverage on Elon Musk’s space and AI company.

SpaceX went public on June 12 at a $2.2 trillion valuation, the largest debut in history. While the company hasn’t yet posted a profit, it seems to have convinced Wall Street that it will get there and grow its valuation on the way.

Of the at least 17 analysts that gave a rating on Tuesday, all but one gave it a “buy” or “outperform” rating. MoffettNathanson was "neutral."

The ratings come as SpaceX joined the Nasdaq 100 index, a benchmark tech-heavy basket of companies that underpins millions of portfolios. The inclusion adds built-in demand for the stock from index funds and ETFs.

Still, SpaceX fell more than 5% on Tuesday amid a broader sell-off, and is currently effectively flat from its opening price of $150 a share.

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