By Josie Cox 

Sterling dropped sharply Tuesday after Bank of England Governor Mark Carney raised fresh concerns about low wage growth in the U.K. and the impact that this may have on the central bank's plans to raise rates later this year.

The currency fell by half a cent to the day's low of $1.6975 against the U.S. dollar as Mr. Carney adopted a dovish tone in a speech to U.K. lawmakers. Later, it recovered slightly, to trade around the $1.6990 mark, but was still down from its earlier level of $1.7022.

Mr. Carney said the exact timing of rate rises would be driven by data but that wage growth has been lower than expected. When the bank does raise rates, Mr. Carney said, the move would be limited and gradual. An overly early move would risk losing productivity gains, he said.

Citigroup strategist Valentin Marinov said that Tuesday's comments from Mr. Carney, as well as from Deputy Governor Charles Bean, suggest that the views of the Monetary Policy Committee on the economy are "far from unanimous."

"All that could mean than an early rate hike may not be a done deal as yet," he said.

Equity markets, meanwhile, extended losses Tuesday, weighed by disappointing German business confidence data after downbeat economic growth figures had already cast a shadow over the region's fragile recovery in the previous session.

The Stoxx Europe 600 was down 0.3% by midmorning, while Germany's DAX lost 0.1%. The U.K.'s FTSE lost 0.3% and France's CAC was broadly unchanged on the day.

Germany's Ifo Institute's lead indicator was at 109.7 in June, underperforming expectations in a survey of economists by The Wall Street Journal for a decline to 110.2 from the previous month's 110.4.

On Monday, data firm Markit said its composite purchasing managers index for the euro zone--which measures activity across both the manufacturing and services sectors--fell to 52.8 from 53.5 in May.

"The survey results are a reminder that the increases in commodity prices earlier in the year and the recent rise in oil prices may show up in consumer prices over the next two to three months," Riccardo Barbieri, chief European economist at Mizuho, wrote in a note.

Globally, Dubai saw one of the heaviest selloffs of any major index, losing 8.5% and extending losses to 27% since hitting a multiyear high early May.

Construction group Arabtec was the key driver of the losses, tumbling more than 9.8% on news of the dismissal of hundreds of employees following the resignation of the group's chief executive officer last week.

In emerging markets, Russia's Micex rose 1.6%, spurred by reports from Interfax that Russia's parliament would approve President Vladimir Putin's request to rescind authorization for military force in Ukraine, lessening the tension surrounding the region.

Emerging market currencies had already gained, with the U.S. dollar hitting its lowest level since January against the Russian ruble, after separatist leaders in Ukraine agreed Monday to join a government-declared cease fire as a first step toward peace talks.

By midmorning, the dollar was trading at 33.867 against the ruble.

The dollar edged lower against other emerging market currencies too, trading down 0.3% against the Turkish lira and 0.4% lower against the South African rand.

While the price of gold generally falls amid calming geopolitical tensions, the precious metal rose 0.5% Tuesday, to $1,324.80 an ounce.

Analysts said this was a symptom of a weaker U.S. dollar encouraging investors to seek alternative investments.

Markets in the U.S. were indicated to open marginally lower on Tuesday, with the S&P 500 seen falling 0.25%. Changes in stock futures, however, aren't always accurately reflected in market moves after the opening bell.

Write to Josie Cox at josie.cox@wsj.com

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