That conflict--advising individual investors on share purchases while trying to win investment banking business from corporate clients--led to unseemly initial public offering allocations, overly rosy research and perhaps, in the case of Enron, collusion.
Apple's success in quickly securing a large slice of the market, with fashionable products enjoying good demand from consumers, prompted several rivals to launch their own gadgets hoping to win a share of the fast-growing market.
Barack Obama have been dueling in the state for weeks, as polls show the candidates locked in a razor-thin race to win the biggest share of 193 Texas delegates, who are crucial to sewing up the party nomination.
But without the increasing Hispanic share - Romney won 27%, down from an already low 32% in 2008 - the Republicans will not win nationally, however good their ideas.
Meanwhile, bigger banks are going after more middle-market clients in a bid to win market share.
WSJ: HEARD ON THE STREET: Banking Whales Leave Minnows Behind
Players can also look forward to a share of a win bonus following each victory and an end-of-season performance bonus - often related to whether a team stays up or qualifies for Europe.
After an election which saw them win more MPs and a bigger vote-share than 1997, all under an electoral system not renowned for favouring third parties, leader Charles Kennedy had expected a week of celebration in Bournemouth.
It should be noted that the menu expansion was just one initiative among several implemented in 2003 and designed to win back market share and growing revenues by increasing comparable-store sales versus adding more stores.
Android may have a global market-share in excess of any of the competition, but volume does not win hearts and minds.
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Under the current, first-past-the-post system, activists complain, Liberal Democrats win a smaller share of parliamentary seats than their share of the vote.
Mattei shook up the business by offering oil-exporting nations a bigger share of production. (He also reportedly tried to win a sweet deal by enticing the Shah of Iran with an Italian princess.) At one point British diplomats fretted that Mattei's dealmaking could "seriously prejudice the stability of the Middle East, " according to The Prize, Daniel Yergin's 1991 history of the oil business.
Even if the Socialists win a majority in the 155-seat parliament, they have promised to share power.
If that causes coalition-busting ructions, the rural-based Centre Party, which has a mildly Euro-sceptical flavour and is still the second-largest party in parliament (its share has gone up to 48 seats), might win another shot at running Finland.
In the fast-growing Chinese economy, the company that can assemble the most pieces and grab market share stands to win.
FORBES: Renren's 360 Buy Signals It's Bigger Sandboxes Time!
Also the success of its middle-market focused programming packages and the growing popularity of prepaid products is helping it win market share.
FORBES: DirecTV's Stock Could Pass $60 Easy With Strong Latin American Growth
And since Labour is expected to win the lion's share of constituency seats, it will not qualify for many top-up seats under the new system.
In a bid to win back market share in its crucial but declining printing and imaging business, computer maker Hewlett-Packard is introducing new technology in its inkjet printers that should help the company and consumers save time and money.
Sceptics believe that Chrysler has lost most of its product-development talent and question whether a small-car specialist like Fiat can give it the kind of vehicles it needs to win back market share in America, which accounts for 80% of its sales.
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