The phrase "active in the sector" is correct and usable in written English.
You can use it to describe someone's involvement or engagement in a particular industry or field.
Example: "She has been active in the sector for over a decade, contributing to various projects and initiatives."
Alternatives: "engaged in the industry" or "involved in the field".
European banks still active in the sector have tended to focus on large individual transactions, she said.
Still others, like George Soros and Stanley Druckenmiller, have decided to leave the business of managing other people's money, closing their funds to outside investors but remaining active in the sector by managing their own fortunes.
"We're obviously active in the sector that is worst hit by the crisis, but the banks have made sure that we've been sinking a lot faster," Mr. Gabino said.
Among them, say EnterNext and Deutsche Börse, are some that have not in the past been especially active in the sector, such as "family offices", the investment arms of those with inherited wealth.
Others active in the sector include CoStar Group, City Feet.com and Property Line International
"He's obviously been very active in the sector," said Hardwick.
The most active stock in the sector was Exxon Mobil, which was up more than 1 percent during the day, at $70.63.
"The government is taking an active role in the sector and telling everyone that the new technology and the Internet are the future," Mr. Canas said.
"Governments and regulators are drawing up micro-insurance-focused regulations and rules that allow more and more players to play an active role in the sector," said Prashad.
Citigroup, along with Merrill, was among the most active issues in the sector Tuesday morning.
Working through and playing an active role in the Sector Advisory Groups (SAGs) UNICEF successfully influenced the planning process for the Sixth National Development Plan to mainstream priorities for children, gender, and HIV.
