Reddit shares gained 3.5% after-hours Tuesday following Piper Sandler's recognition of a new feature that streamlines ad campaign imports from Meta Platforms Inc (NASDAQ:META).’s ads manager. The brokerage firm sees the update as a potential catalyst for attracting more advertisers to Reddit's platform.

Reddit's stock has surged over 4x in the past year, but its valuation is now unsustainable. Find out the factors prompting my downgrade to a sell rating on RDDT.

Piper Sandler analyst Thomas Champion recently noticed a new feature in Reddit (RDDT) Ads Manager, namely a beta option to import a campaign

Popular community site became unmentionable – the irony is thick enough to compile Facebook has lifted a temporary ban preventing users from posting links to popular OS comparison site Distrowatch – after going so far as to lock the account of the site's editor.

Social media users are speculating that Meta has bought TikTok, following Donald Trump's announcement that he planned to delay a ban on the app.

He notes the combined market cap and collective active users on platforms like Reddit (RDDT), Snapchat (SNAP), Alphabet's YouTube (GOOG, GOOGL), and Meta Platforms' Facebook and Instagram (META).

An algorithm inspired by quantum computers but used on classical machines can make weather forecasts and other turbulence simulations a thousand times easier to run

The West Antarctic ice sheet could cause metres of sea level rise if it collapses – but more than 120,000 years ago, it may have survived an even warmer period than it's experiencing now

In a note to investors on Jan. 22, investment bank Roth Capital downgraded the stock to Neutral from Buy. The investment bank predicted that the company’s revenue growth would decelerate in upcoming quarters, and it expects RDDT’s EBITA margins to drop over the next year.

Earlier this month, Mark Zuckerberg announced that Meta will cut back on its content moderation efforts and eliminate fact-checking in the US in favor of the more “democratic” approach that X (formerly Twitter) calls Community Notes, rolling back protections that he claimed had been developed only in response to media and government pressure.

Even the most tech-savvy among us has been duped by artificial intelligence — or at least those behind the curtain.

Yet, over the past 12 months, some individual stocks have logged returns that far exceed the benchmark indexes. Today, three Motley Fool contributors highlight some of their top picks right now: Reddit (NYSE: RDDT),