A care agency is investigating after employees were shown allegedly taking part in online sex chats while sitting partly naked at their desks.

Wall Street stocks jumped today, pushing up the Dow Jones industrials by more than 100 points as a report that two companies are trying to buy Alcoa Inc. stoked investors’ hopes for a pickup in takeover activity.

Wall Street retreated today after most of the day’s economic data showed weakness, including a report that manufacturing growth in October was the slowest in more than three years.