Chip, chip … boom? South Korea tech makers join the trillion-dollar club but some fear a short-circuit looms

South Korea’s Kospi stock market has hit record highs thanks to AI, but experts urge caution over boom-bust cycles and a heavy reliance on two chipmakers

You hunch over a screen all day. Six small upgrades to relax your tight neck and achy back

Find relief from back pain and muscle tension with picks our contributors love, like slip-on shoes and thick cushions

Trump signs executive order seeking early access to new AI releases

Under new rules, tech companies will be asked to share AI models with government for review before public release

Masters of the Universe review – Amazon’s He-Man adventure is a weak big-budget misfire

A laboured attempt to resurrect toy IP very few people still care about is a $200m-budgeted waste of everyone’s time

The Misfits: Marilyn Monroe’s final film showed her capacity for playing painfully knotty characters

Written for Monroe by then husband Arthur Miller, the role of Roslyn is contradictory and complex

Virginia Woolf’s Night and Day review – dreamy adaptation reaches for the stars

Woolf’s novel about a headstrong young Edwardian woman takes flight under Tina Gharavi’s direction, with Timothy Spall and Jennifer Saunders among the ensemble cast

Anthropic surges as OpenAI struggles to keep up

Stock market filing illustrates AI company’s meteoric rise, while California’s tech billionaires pour cash into elections

Google owner Alphabet to sell $80bn in stock to fund AI spending spree

Markets take note as world’s biggest equity fundraiser bids to garner more money than the three biggest-ever IPOs combined

How will AI sycophancy change us? Early signs are not encouraging

Constant validation and flattery from AI chatbots poses a serious risk to society and our shared grasp of reality, writes Arwa Mahdawi

‘The face doesn’t move’: Hollywood’s obsession with cosmetic surgeries has led to stiffer looks – and performances

With procedures like filler and Botox becoming commonplace, audiences are lamenting the smoothed-out, uncanny faces now rampant in major pictures

Planet Israel review – valuable personal documentary about Israel/Palestine conflict

Gillian Mosely’s film argues that Israelis are asked to accept a ‘forever war’ in part motivated by Netanyahu’s desire to defer investigation into corruption allegations

‘All the girls were in there for shit that is pretty normal’: the show reinventing Girl, Interrupted for a new generation

Susanna Kaysen’s cult memoir sparked a wave of novels about young women in crisis. After 10 years in the making, Juliana Canfield and King Princess bring it to the stage

Acting review – Cheek by Jowl masterclass in how to strut and fret upon the Shakespearean stage

Sophie Fiennes’s thoughtful documentary follows director Declan Donnellan as he helps actors find their way through Macbeth’s lines

Köln 75 review – how a legendary jazz-improv show was cajoled into being by a German teenager

Watchable biopic charts how an 18-year-old German booked the sickly American pianist Keith Jarrett for what became a landmark concert

Tuesday briefing: Palantir’s rise – and why so many oppose its role in the British state

In today’s newsletter: Its software is used from health services to militaries. But controversies and criticism of the $375bn company are leading some to ask if Palantir is too powerful