For more than a year, while the Justice Department has grown more cautious about pressing antitrust suits and opposing mergers, the Federal Trade Commission has become increasingly aggressive. Last week, in one of its boldest actions yet, the FTC moved to turn a giant into a midget. The commission ordered Maremont Corp. of Chicago, a leader in the automotive-parts field, with sales last year of $186 million, to a Washington hearing next month. The agency's aim is nothing less than to make Maremont sell off 40 companies that accounted for about $100 million of the total.
The FTC complaint against...