Darktrace shares glow as UK cyber group lifts outlook

British cyber security firm Darktrace (DARK.L) lifted its full-year revenue and margin guidance on Tuesday after it enjoyed a near 40% jump in customers, driving its shares higher after a recent slump.
Costa Rica hydro plant gets new lease on life from crypto mining

A small river in the middle of coffee plantations, sugar cane fields and a forest provides energy to a hydroelectric power plant in Costa Rica that feeds hundreds of computers wired up to the cryptocurrency mining business.
Japan toaster startup smartphone foray craters stock price

A foray into smartphones by Japan’s Balmuda Inc (6612.T), best known for its high-end toasters, has cratered its stock price with the firm announcing this week it has halted sales of its poorly received handset.
Exclusive: Smart guns finally arriving in U.S., seeking to shake up firearms market

Personalized smart guns, which can be fired only by verified users, may finally become available to U.S. consumers after two decades of questions about reliability and concerns they will usher in a new wave of government regulation.
Uniper secures $11 bln of credit to cope with gas volatility

German utility Uniper (UN01.DE) has secured credit facilities worth up to 10 billion euros ($11 billion) from parent Fortum (FORTUM.HE) and state bank KfW (KFW.UL)in a move to cope with unprecedented volatility in energy markets, it said.
Daimler warns car owners of fire risk it lacks parts to fix

Daimler’s (DAIGn.DE) Mercedes-Benz has informed owners of its luxury cars of a technical defect that could spark a fire, the company said on Tuesday, adding a recall was not possible because parts needed to fix the problem are not available.
Apple submits plans to allow alternative payment systems in S.Korea – regulator

South Korea’s telecommunications regulator said on Tuesday Apple Inc (AAPL.O) had submitted plans to allow third-party payment systems on its App Store to comply with a law banning major app store operators from forcing software developers to use their payments systems.
Analysis: Pandemic fatigue makes the case for boosters a harder sell

Some nations are already looking to a fourth vaccine dose to help contend with a huge Omicron-driven spike in COVID-19 cases, but early signs suggest repeat vaccination may be a hard sell as beleaguered populations enter their third pandemic year.
OPEC oil output boost in December again undershoots target

The increase in OPEC’s oil output in December has again undershot the rise planned under a deal with allies, a Reuters survey found on Thursday, highlighting capacity constraints that are limiting supply as global demand recovers from the pandemic.
Online trading firm Plus500 expects annual profit to top market view
Plus500 (PLUSP.L) said on Monday it expects its annual profit to exceed market expectations even as the online trading platform reported a slower fourth-quarter growth as compared with the previous quarter on weak customer trading performance.