Swiss shares gained on Wednesday as investors looked for signs of clarity in peace talks between the US and Iran following new reports of escalation in tensions.
The Swiss Market Index closed 0.80% higher amid reports that the White House retaliated against Iran for shooting down a US military helicopter near the Strait of Hormuz, complicating ongoing talks between the two countries on an extended ceasefire.
The exchange came just hours after US President Donald Trump touted progress in ceasefire negotiations. Taking to Truth Social, Trump said Tehran has "taken too long to negotiate a deal that would have been great for them, now they will have to pay the price!!!"
In corporate news back home, Logitech International (LOGN.SW) dropped 1.36% after it unveiled several new products, including an $80 portable foldable mouse called Mobi Fold.
Holcim (HOLN.SW) launched the CaptureLab industrial-scale carbon capture test platform in France for technologies that can be used in cement manufacturing. The building materials company fell 0.39% at closing.
Outside the blue-chip, Centiel (CNTL.SW) surged 33.33% after it secured a deal with Neo Critical Power to deploy its uninterruptible power supply technology in the US data center market. The UPS manufacturer anticipates an initial revenue in the low double-digit millions during its current financial year.
Cybersecurity and digital identity company WISeKey International (WIHN.SW) announced a $3 million strategic investment in its Sealcoin subsidiary to boost the integration of the Sealcoin ecosystem into the space economy, including the commercialization of space infrastructure. The stock was down 2.91%.
In other news, the Swiss government concluded the issuance of a 415.2 million-franc, 0.875% Confederation bond due June 24, 2041. Settlement is on June 24, 2026.