An advisory panel to the

Food and Drug Administration

recommended approval with conditions of

MiniMed's

(MNMD)

new wearable glucose monitoring system for diabetics, the first such device.

AT&T

(T) - Get Report

said it's considering selling its Manhattan headquarters, located at 32 Avenue of the Americas, in a sale-leaseback transaction that could yield up to $150 million.

In other postclose news (earnings estimates from

First Call

; earnings reported on a diluted basis unless otherwise specified):

Earnings/revenue reports and previews

Illinova

(ILN)

reported a fourth-quarter loss of 82 cents a share, wider than the eight-analyst forecast for a loss of 48 cents and the year-ago loss of 49 cents.

IntelliQuest Information

(IQST)

reported fourth-quarter earning of 4 cents a share, missing the two-analyst forecast by 2 cents but moving ahead of the year-ago loss of 7 cents. The company also said it hired

Piper Jaffray

to help it review strategic alternatives, including an acquisition of the company.

Smart Choice Automotive

(SMCH)

said its 1998 net income of 68 cents a share probably was overstated because of various noncash related accounting issues.

Mergers, acquisitions and joint ventures

Air Express

(AEI)

said it sold about 30% of its stake in

Equant

(ENT) - Get Report

for about $4.7 million in a stock offering. Air Express said it will record a first-quarter gain of 14 cents a share from the sale.

BFGoodrich

(GR)

said it's committed to its planned merger with

Coltec Industries

(COT) - Get Report

after

AlliedSignal

(ALD)

filed a lawsuit claiming the merger would violate a contract between AlliedSignal and Coltec and violate antitrust laws.

EchoStar Communications

(DISH) - Get Report

told

PrimeStar

it's willing to acquire the company's direct broadcast satellite assets for $600 million, including assumed liabilities.

Minnesota Power

(MPL)

said it will record a $1.7 million first-quarter charge from a $44 million insurance claim reserve at

Capital Re

(KRE) - Get Report

, in which Minnesota Power has a 21% stake.

Miscellany

BancFirst

(BANF) - Get Report

said it adopted a shareholder rights plan with a 15% trigger but that it was not aware of any takeover attempt.

Hertz

(HRZ)

said it's raising all of its noncontract car rental prices in the U.S. by $3 a day.

Styling Technology

(STYL)

also adopted a shareholder rights plan with a 15% trigger.